what is cardiac cycle explain events that take place during the completion of one heartbeat
Answers
Answer:
cardiac muscle is one of the types vertebrate muscles.
Explanation:
blood circulation throughout the body by the pumping action of the heart . the whole impure blood is collected from different organs of the body through two major veins .the two veins empty blood into the right auricle . from here it enters the right ventricle and is pumped into the pulmonary artery through this artery blood is carried to the lungs exchange of gases takes place in the lungs the pure blood is carried by the pulmonary vein to the left our self from here it enters a left and is carried by the tree called a router to all parts of the body the circulation of the body through the human heart takes place twice making one complete round through the body this is called double circulation circulation of blood between the heart and lungs is called pulmonary circulation circulation of the blood between the heart and body organs is called systemic